/* 莫兰迪色系定义 */
:root {
    --color-bg: #f2f2f2;          /* 浅灰底色 */
    --color-sidebar: #e5e5e5;     /* 侧边栏背景 */
    --color-primary: #9ba8a0;     /* 莫兰迪绿 - 主色 */
    --color-secondary: #c7b8a7;   /* 莫兰迪驼 - 辅助色 */
    --color-accent: #8e97a5;      /* 莫兰迪蓝 - 强调色 */
    --color-text-main: #5a5a5a;   /* 深灰文字 */
    --color-text-sub: #8c8c8c;    /* 浅灰文字 */
    --color-white: #ffffff;
    --color-success: #a3b18a;     /* 莫兰迪草绿 - 成功状态 */
    --color-pending: #d4a373;     /* 莫兰迪橙 - 处理状态 */
    --color-border: #d1d1d1;
}

body {
    font-family: 'PingFang SC', 'Microsoft YaHei', sans-serif;
    margin: 0;
    padding: 0;
    background-color: var(--color-bg);
    color: var(--color-text-main);
    overflow: hidden; /* 防止整体滚动 */
}

/* 整体布局 */
.app-layout {
    display: flex;
    height: 100vh;
    width: 100vw;
}

/* 侧边栏样式 */
.sidebar {
    width: 280px;
    background-color: var(--color-sidebar);
    border-right: 1px solid var(--color-border);
    display: flex;
    flex-direction: column;
    flex-shrink: 0;
}

.sidebar-header {
    padding: 20px;
    border-bottom: 1px solid var(--color-border);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.sidebar-header h2 {
    margin: 0;
    font-size: 1.1rem;
    color: var(--color-text-main);
}

.clear-btn {
    padding: 4px 8px;
    font-size: 0.75rem;
    background-color: transparent;
    border: 1px solid var(--color-text-sub);
    color: var(--color-text-sub);
    border-radius: 4px;
}

.clear-btn:hover {
    background-color: #c97c7c;
    color: white;
    border-color: #c97c7c;
}

.task-list {
    flex: 1;
    overflow-y: auto;
    padding: 10px;
}

.task-item {
    padding: 12px 15px;
    margin-bottom: 10px;
    background: var(--color-white);
    border-radius: 6px;
    cursor: not-allowed;
    transition: all 0.3s ease;
    border: 1px solid transparent;
    opacity: 0.7;
    position: relative;
    display: flex;
    flex-direction: column;
}

.task-item .delete-task {
    position: absolute;
    top: 8px;
    right: 8px;
    width: 20px;
    height: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0,0,0,0.05);
    border-radius: 50%;
    font-size: 12px;
    color: var(--color-text-sub);
    cursor: pointer;
    opacity: 0;
    transition: all 0.2s;
    border: none;
    padding: 0;
}

.task-item:hover .delete-task {
    opacity: 1;
}

.task-item .delete-task:hover {
    background: #c97c7c;
    color: white;
}

.task-item.status-completed {
    cursor: pointer;
    opacity: 1;
}

.task-item.status-completed:hover {
    border-color: var(--color-primary);
    transform: translateY(-2px);
    box-shadow: 0 4px 6px rgba(0,0,0,0.05);
}

.task-item.active {
    background-color: var(--color-primary);
    color: var(--color-white);
}

.task-title {
    font-size: 0.9rem;
    font-weight: 500;
    margin-bottom: 5px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.task-status {
    font-size: 0.75rem;
    display: flex;
    align-items: center;
    gap: 5px;
}

.status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
}

.dot-completed { background-color: var(--color-success); }
.dot-processing { background-color: var(--color-pending); }
.dot-failed { background-color: #c97c7c; }

/* 主内容区样式 */
.main-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    background-color: var(--color-bg);
}

.top-bar {
    padding: 15px 30px;
    background: var(--color-white);
    border-bottom: 1px solid var(--color-border);
}

.input-group {
    display: flex;
    gap: 10px;
    max-width: 800px;
    margin: 0 auto;
}

input[type="text"] {
    flex: 1;
    padding: 10px 15px;
    border: 1px solid var(--color-border);
    border-radius: 4px;
    background: var(--color-bg);
    outline: none;
    transition: border-color 0.3s;
}

input[type="text"]:focus {
    border-color: var(--color-accent);
}

button {
    padding: 10px 25px;
    background-color: var(--color-primary);
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    transition: background 0.3s;
}

button:hover {
    background-color: #8a968f;
}

button:disabled {
    background-color: var(--color-border);
    cursor: not-allowed;
}

/* 视图容器 */
.view-container {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 20px;
    overflow: hidden;
}

.hidden { display: none !important; }

/* 欢迎页卡片 */
.welcome-card, .status-card {
    text-align: center;
    background: var(--color-white);
    padding: 40px;
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.05);
    max-width: 500px;
}

/* 进度条 */
.progress-bar {
    width: 300px;
    height: 6px;
    background-color: var(--color-bg);
    border-radius: 3px;
    overflow: hidden;
    margin: 20px auto 0;
}

.progress-fill {
    height: 100%;
    width: 0%;
    background-color: var(--color-primary);
    transition: width 0.3s ease;
}

/* 播放器布局 */
.player-layout {
    display: flex;
    flex-direction: column;
    width: 100%;
    height: 100%;
}

/* 隐藏原生视频控制条的全屏按钮，强制用户使用我们的自定义全屏按钮 */
video::-webkit-media-controls-fullscreen-button {
    display: none !important;
}
video::-internal-media-controls-fullscreen-button {
    display: none !important;
}

/* 视频容器全屏状态下的样式适配 */
#videoContainer:fullscreen {
    width: 100vw !important;
    height: 100vh !important;
    display: flex !important;
    align-items: center;
    justify-content: center;
    background: #000;
}

#videoContainer:fullscreen video {
    max-height: 100vh;
    max-width: 100vw;
    width: auto;
    height: auto;
    margin-bottom: 0;
}

#videoContainer:fullscreen .video-subtitle-overlay {
    bottom: 12%;
    display: block !important;
}

.video-container {
    flex: 0 0 auto;
    background: #000;
    border-radius: 8px;
    overflow: hidden;
    margin-bottom: 15px;
    max-height: 45vh;
    position: relative; /* 为字幕叠加层提供定位基准 */
}

/* 视频内字幕叠加层 */
.video-subtitle-overlay {
    position: absolute;
    bottom: 5%; /* 调低一点，更贴近底部 */
    left: 0;
    right: 0;
    text-align: center;
    z-index: 2147483647; /* 确保在最顶层 */
    pointer-events: none;
    padding: 0 5%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: flex-end;
}

.video-subtitle-overlay .overlay-en {
    color: #ffffff;
    font-size: var(--sub-font-size, 24px);
    font-weight: bold;
    margin-bottom: 5px;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.9), -1px -1px 0 rgba(0,0,0,0.5);
    line-height: 1.2;
}

.video-subtitle-overlay .overlay-cn {
    color: #ffd700;
    font-size: calc(var(--sub-font-size, 24px) * 0.85);
    text-shadow: 2px 2px 4px rgba(0,0,0,0.9), -1px -1px 0 rgba(0,0,0,0.5);
    line-height: 1.2;
}

/* 全屏状态下的特定样式 */
:fullscreen .video-subtitle-overlay {
    display: block !important;
}

/* 隐藏逻辑由 JS 控制类名 */
.video-subtitle-overlay.hidden {
    display: none;
}

video {
    width: 100%;
    height: 100%;
    max-height: 45vh;
}

.subtitle-controls {
    padding: 15px 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 20px;
    border-bottom: 1px solid var(--color-border);
    margin-bottom: 10px;
}

.playback-controls {
    display: flex;
    align-items: center;
    gap: 20px;
    flex: 1;
}

.speed-control {
    display: flex;
    align-items: center;
    gap: 10px;
}

.speed-control .label {
    font-size: 0.85rem;
    color: var(--color-text-sub);
}

.speed-buttons {
    display: flex;
    gap: 5px;
}

.speed-btn {
    padding: 4px 8px;
    font-size: 0.8rem;
    background: var(--color-white);
    color: var(--color-text-main);
    border: 1px solid var(--color-border);
    min-width: 45px;
}

.speed-btn:hover {
    background: var(--color-bg);
}

.speed-btn.active {
    background: var(--color-accent);
    color: white;
    border-color: var(--color-accent);
}

#speedSlider {
    width: 100px;
    cursor: pointer;
    accent-color: var(--color-accent);
}

#speedValue {
    font-size: 0.85rem;
    color: var(--color-accent);
    min-width: 40px;
}

.loop-control {
    display: flex;
    align-items: center;
    gap: 10px;
}

.subtitle-config {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-left: 20px;
    padding-left: 20px;
    border-left: 1px solid var(--color-border);
}

.subtitle-config .label {
    font-size: 0.85rem;
    color: var(--color-text-sub);
}

#fontSizeSlider {
    width: 80px;
    cursor: pointer;
    accent-color: var(--color-accent);
}

#fontSizeValue {
    font-size: 0.85rem;
    color: var(--color-text-sub);
    min-width: 35px;
}

.control-btn {
    display: flex;
    align-items: center;
    gap: 5px;
    padding: 6px 12px;
    font-size: 0.9rem;
    background: var(--color-white);
    color: var(--color-text-main);
    border: 1px solid var(--color-border);
}

.control-btn:hover {
    background: var(--color-bg);
}

.control-btn.active {
    background: var(--color-secondary);
    color: white;
    border-color: var(--color-secondary);
}

.control-btn .icon {
    font-size: 1rem;
}

#subModeSelect {
    padding: 5px 10px;
    border-radius: 4px;
    border: 1px solid var(--color-border);
    background: var(--color-white);
    color: var(--color-text-main);
    height: 32px;
}

.subtitle-list {
    flex: 1;
    overflow-y: auto;
    background: var(--color-white);
    border-radius: 8px;
    padding: 20px;
    border: 1px solid var(--color-border);
}

.sub-item {
    padding: 15px;
    margin-bottom: 10px;
    border-radius: 6px;
    cursor: pointer;
    transition: background 0.2s;
    border-left: 4px solid transparent;
}

.sub-item:hover { background-color: var(--color-bg); }
.sub-item.active { 
    background-color: #f8f9f8; 
    border-left-color: var(--color-primary); 
}

.en-text { 
    font-size: 1.1rem; 
    font-weight: 500; 
    color: var(--color-text-main);
    line-height: 1.4;
}

.cn-text { 
    font-size: 0.95rem; 
    color: var(--color-text-sub); 
    margin-top: 8px; 
}

/* 字幕模式控制 */
.mode-en .cn-text { display: none; }
.mode-cn .en-text { display: none; }
.mode-none .cn-text, .mode-none .en-text { display: none; }

/* 自定义弹窗样式 */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(0, 0, 0, 0.4);
    backdrop-filter: blur(2px);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 9999;
    transition: opacity 0.3s;
}

.modal-card {
    background: var(--color-white);
    width: 90%;
    max-width: 400px;
    border-radius: 12px;
    box-shadow: 0 15px 40px rgba(0,0,0,0.15);
    overflow: hidden;
    animation: modalIn 0.3s ease-out;
}

@keyframes modalIn {
    from { transform: translateY(20px); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
}

.modal-header {
    padding: 20px 25px 10px;
}

.modal-header h3 {
    margin: 0;
    font-size: 1.1rem;
    color: var(--color-text-main);
}

.modal-body {
    padding: 10px 25px 25px;
}

.modal-body p {
    margin: 0;
    font-size: 0.95rem;
    line-height: 1.5;
    color: var(--color-text-sub);
}

.modal-footer {
    padding: 15px 25px;
    background: #f9f9f9;
    display: flex;
    justify-content: flex-end;
    gap: 12px;
}

.modal-btn {
    padding: 8px 20px;
    border-radius: 6px;
    font-size: 0.9rem;
    cursor: pointer;
    transition: all 0.2s;
}

.modal-btn.primary {
    background: var(--color-primary);
    color: white;
    border: none;
}

.modal-btn.primary:hover {
    background: #8a968f;
}

.modal-btn.secondary {
    background: white;
    color: var(--color-text-sub);
    border: 1px solid var(--color-border);
}

.modal-btn.secondary:hover {
    background: var(--color-bg);
    border-color: var(--color-text-sub);
}